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Related Concept Videos

Imaging Studies IV: Magnetic Resonance Imaging01:27

Imaging Studies IV: Magnetic Resonance Imaging

Introduction:Magnetic Resonance Imaging, or MRI, can include a specialized imaging technique of the urinary system known as Magnetic Resonance Urography (MRU). This radiation-free technique uses strong magnetic fields and radio waves to produce detailed images with the help of a computer. MRU is particularly effective for visualizing fluid-filled structures like the kidneys, ureters, and bladder.Applications of MRI in the Genitourinary SystemKidneys and Ureters: MRI detects tumors, cysts,...

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Related Experiment Video

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A Spine Robotic-Assisted Navigation System for Pedicle Screw Placement
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Published on: May 11, 2020

Integrated navigation and control software system for MRI-guided robotic prostate interventions.

Junichi Tokuda1, Gregory S Fischer, Simon P DiMaio

  • 1Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, MA 02115, USA. tokuda@bwh.harvard.edu

Computerized Medical Imaging and Graphics : the Official Journal of the Computerized Medical Imaging Society
|August 25, 2009
PubMed
Summary
This summary is machine-generated.

A new software system offers intuitive navigation for MRI-guided robotic prostate therapy. It synchronizes MRI scanners and robotic units, improving needle guidance accuracy and real-time treatment monitoring.

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Last Updated: Jun 20, 2026

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Use of MRI-ultrasound Fusion to Achieve Targeted Prostate Biopsy
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Published on: April 9, 2019

Area of Science:

  • Medical Robotics
  • Image-Guided Therapy
  • Prostate Cancer Treatment

Background:

  • Prostate cancer treatment requires precise targeting.
  • MRI-guided robotic systems offer potential for enhanced accuracy.
  • Current systems may lack intuitive navigation and real-time feedback.

Purpose of the Study:

  • To present a novel software system for intuitive navigation in MRI-guided robotic transperineal prostate therapy.
  • To integrate MRI scanners, robotic control units, and navigation software for seamless workflow.
  • To enhance needle guidance, target planning, and real-time treatment monitoring.

Main Methods:

  • Development of an open-source navigation software connected via Ethernet using OpenIGTLink protocol.
  • Implementation of a six-state "workphase" system for clinical workflow synchronization.
  • Integration of fiducial-based registration for robot and image coordinate calibration.
  • Features include interactive target planning, 3D visualization, and real-time MR image feedback.

Main Results:

  • The system demonstrated a registration error of 2.6mm within the prostate volume.
  • Real-time 2D images were displayed 1.97 seconds after image location specification.
  • The software provides intuitive, linear guidance through clinical workflow phases.

Conclusions:

  • The presented software system enhances navigation for MRI-guided robotic prostate therapy.
  • The system integrates key components for improved accuracy and real-time monitoring.
  • This technology has the potential to improve patient outcomes in prostate cancer treatment.